average-of-frogs-with [1st list of commands] [2nd list
of commands]
Returns the numerical average of the [2nd list of commands]
when evaluated across all the turtles of breed frogs that satisfy the
conditions (must return a boolean of true or false) specified by the [1st
list of commands] .
Note: If [2nd list of commands] contains no numbers, an
error occurs. If some of the [2nd list of commands] , when
evaluated, are not numbers, those values are ignored.
Note: When a turtle calls the command, it is not included as part of
the calculation.
Examples:
average-of-frogs-with [color = red] [speed] returns the average
speed of all the red turtles of breed frogs.
Related commands:
average-of-list average-of-patches
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